<template>
    <div class="login-container">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
            <div class="title-container">
                <h3 class="title">{{ defaultSettings.title }}</h3>
            </div>

            <el-form-item prop="username">
                <span class="svg-container">
                    <svg-icon icon-class="user" />
                </span>
                <el-input
                    ref="username"
                    v-model="loginForm.username"
                    placeholder="请输入用户名"
                    name="username"
                    type="text"
                    tabindex="1"
                    auto-complete="on"
                />
            </el-form-item>

            <el-form-item prop="password">
                <span class="svg-container">
                    <svg-icon icon-class="password" />
                </span>
                <el-input
                    :key="passwordType"
                    ref="password"
                    v-model="loginForm.password"
                    :type="passwordType"
                    placeholder="请输入密码"
                    name="password"
                    tabindex="2"
                    auto-complete="on"
                    @keyup.enter.native="handleLogin"
                />
                <span class="show-pwd" @click="showPwd">
                    <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
                </span>
            </el-form-item>

            <el-button :loading="loading" type="primary" style="width: 100%; margin-bottom: 30px" @click.native.prevent="handleLogin">登录</el-button>

            <div class="tips">
                <span class="cursor" style="float: left" @click="$router.push('/setPassword')">忘记密码</span>
                <span class="cursor" style="margin: 0 20px 20px 0; float: right" @click="$router.push('/Register')">快速注册</span>
            </div>
        </el-form>
    </div>
</template>

<script>
import { validUsername } from "@/utils/validate"
import defaultSettings from "@/settings"
import { reset } from "ol/transform"
export default {
    name: "Login",
    data() {
        // const validateUsername = (rule, value, callback) => {
        //     if (!validUsername(value)) {
        //         callback(new Error("Please enter the correct user name"))
        //     } else {
        //         callback()
        //     }
        // }
        // const validatePassword = (rule, value, callback) => {
        //     if (value.length < 6) {
        //         callback(new Error("The password can not be less than 6 digits"))
        //     } else {
        //         callback()
        //     }
        // }
        return {
            loginForm: {
                username: "",
                password: "",
            },
            loginRules: {
                username: [{ required: true, message: "请输入用户名", trigger: "blur" }],
                password: [{ required: true, message: "请输入密码", trigger: "blur" }],
            },
            loading: false,
            passwordType: "password",
            redirect: undefined,
            defaultSettings: defaultSettings,
            PreviousRouter: "",
        }
    },
    watch: {
        $route: {
            handler: function (route) {
                this.PreviousRouter = sessionStorage.getItem("PreviousRouter")
                this.redirect = route.query && route.query.redirect
            },
            immediate: true,
        },
    },
    mounted() {
        this.$store.dispatch("user/logout")
    },
    methods: {
        showPwd() {
            if (this.passwordType === "password") {
                this.passwordType = ""
            } else {
                this.passwordType = "password"
            }
            this.$nextTick(() => {
                this.$refs.password.focus()
            })
        },
        handleLogin() {
            this.$refs.loginForm.validate((valid) => {
                if (valid) {
                    this.loading = true
                    this.$store
                        .dispatch("user/login", this.loginForm)
                        .then(async (res) => {
                            this.loading = false
                            if (res.code == 200) {
                                const data = await this.$store.dispatch("user/getInfo")
                                this.$store.commit("user/SET_USERINFO", data.data)
                                if (this.PreviousRouter == "/FileInfoDetails") {
                                    this.$router.push({ path: "/FileInfoDetails" })
                                } else {
                                    this.$router.push({ path: this.redirect || "/home" })
                                }
                            }
                        })
                        .catch(() => {
                            this.loading = false
                        })
                } else {
                    return false
                }
            })
        },
    },
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
        color: $cursor;
    }
}

/* reset element-ui css */
.login-container {
    .el-input {
        display: inline-block;
        height: 47px;
        width: 85%;

        input {
            background: transparent;
            border: 0px;
            -webkit-appearance: none;
            border-radius: 0px;
            padding: 12px 5px 12px 15px;
            color: $light_gray;
            height: 47px;
            caret-color: $cursor;

            &:-webkit-autofill {
                box-shadow: 0 0 0px 1000px hsla(0, 13%, 6%, 0.3) inset !important;
                -webkit-text-fill-color: $cursor !important;
            }
        }
    }

    .el-form-item {
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(0, 0, 0, 0.1);
        border-radius: 5px;
        color: #454545;
    }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
    min-height: 100%;
    width: 100%;
    background: url("../../assets/login.png") no-repeat;
    background-size: 100% 100%;
    overflow: hidden;

    .login-form {
        position: relative;
        top: 250px;
        width: 520px;
        max-width: 100%;
        padding: 160px 35px 0;
        margin: 0 auto;
        overflow: hidden;

        border-radius: 0.3rem;
        box-shadow: 0 0 0 1px hsla(0, 0%, 100%, 0.3) inset, 0 0.5em 1em rgba(0, 0, 0, 0.6);
        text-shadow: 0 1px 1px hsla(0, 0%, 100%, 0.3);
        background: hsla(0, 13%, 6%, 0.3);
    }

    .tips {
        font-size: 14px;
        color: #fff;
        margin-bottom: 10px;

        span {
            &:first-of-type {
                margin-right: 16px;
            }

            &:hover {
                color: #eee;
            }
        }
    }

    .svg-container {
        padding: 6px 5px 6px 15px;
        color: $dark_gray;
        vertical-align: middle;
        width: 30px;
        display: inline-block;
    }

    .title-container {
        position: relative;

        .title {
            font-size: 26px;
            color: $light_gray;
            margin: 0px auto 40px auto;
            text-align: center;
            font-weight: bold;
        }
    }

    .show-pwd {
        position: absolute;
        right: 10px;
        top: 7px;
        font-size: 16px;
        color: $dark_gray;
        cursor: pointer;
        user-select: none;
    }
}
</style>
